Table of Contents
65ALL Rev2, Standalone 6502 Computer
Introduction
Rev2 of 65ALL is very similar to rev1 of 65ALL except the CPLD is based on PLCC84 version of EPM7128S which is easier to find and build. One difference between rev2 and rev1 is no I2C interface in rev2 because there are not enough IO pins to support I2C function.
Features
- W65C02 clocked at 25.175MHz
- EPM7128SLC84, 128-macrocell CPLD
- 128KB RAM, 4 banks of 32KB
- Compact flash interface
- VGA controller for 64×48 monochrome text display
- PS2 keyboard controller
- Bit bang serial port at 115200 N82
- 3 RC6502 expansion connectors
